Prodrive introduce £3495 Hummingbird, world’s lightest foldable bike

Want a bike to take on the train, tube or sling in the back of a car? Now available is what's being billed as the world's lightest, and certainly one of the most distinctive, folding bikes. The Hummingbird Bike, engineered by Prodrive, has been in development for more than 18 months and is the British…